(19)

(11)

EP 2 109 505 A1

(12)

(43) Date of publication: 21.10.2009 Bulletin 2009/43 (21) Application number: 08709944.6 (22) Date of filing: 31.01.2008

(51) International Patent Classification (IPC):  B03C 1/28(2006.01) B03C 1/32(2006.01) (86) International application number: PCT/IB2008/050365 (87) International publication number: WO 2008/096302 (14.08.2008 Gazette 2008/33)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 07.02.2007 EP 07101918 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: DITTMER, Wendy NL-5656 AA Eindhoven (NL) NIEUWENHUIS, Jeroen NL-5656 AA Eindhoven (NL) DE KIEVIT, Peggy NL-5656 AA Eindhoven (NL) VAN OMMERING, Kim NL-5656 AA Eindhoven (NL) (74) Representative: Kroeze, Johannes Antonius  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)